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3x（1-x）=2x-2 (x-2)/ln|1-x|当x趋向于2时的极限 是he likes sport 还是he likes sports 4√3X＝－√80 He_sports,A,like .B,likes,C,do选什么. What sports do you like?I like ＿＿,but he likes＿＿.A.swimming,playing soccer.B.swimming,to play soccer C.swim,play soccer. y=(x+1)*ln(x+1)/x,当x无限趋向于0时,y的极限是多少?答案是1，我想要推导过程 求当x趋向于无穷时,y=ln(1+x/1-x)的极限 函数f（x）=3x-x平方为递增函数的区间是 1/4的倒数是4,它们的差是()?高手来答会的来，要百分百对，你们别老看不回答啊 一个数增加它的5分之1后是36,这个数的倒数是（）. She has an art lesson on Friday变一般疑问句------- --------- --------- anart lesson on Friday?(⊙o⊙)… We have （ ） Art Lesson every Monday.请问冠词是用The还是an? 数学极限ln(x+1)~x证明方法 62.2－（62.2－40）简便运算 2.2*62+62+3.2怎样简便计算? I like music_____my brother likes sports……单选(有解释的)I like music_____my brother likes sports.Really?________A.when;so do I B.while;I like sports,tooC.as;so I do D.but;I like also music i----sports .but my brother----. A.like/likes B.don't/likes C.like/doesn't My brother ___ sport.a.is b.like c.likes my brother likes sports like basketballand so on .第二个like的意思是什么?是像,比如还是喜欢?第二 I like instruments.I am good at playing ____ violin.My brother likes sports. 已知1/1*2=1-1/2;1/2*3=1/2-1/3;1/3*4=1/3-1/4求不等式x/2+x/6+x/12+x/20+……+x/(n-1)n＞n-1的解集 若f（x）=x²+bx+c,且f（1）=0,f（3）=0,求f（-1）的值?求f（x）的最值? f(x)=x²+bx+c,且f(1)=0,f(3)=0,求f(x)的最值. 若f(x)=x²+bx+c,且f(1)=0,f（,3）=0,求b,c的值 bill has an English lesson every day 用tomorrow代替every daybill__ __ __ __ an English lesson tomrrow 10×10.6减10÷62.5%简便计算 Caro has an english lesson every day.改为否定句. 规律是一样的,题就是 请你根据上式包含的规律解不等式 x/2+x/6+x/12+...x/9900＞99怎么做 不等式x/2+x/6+x/12+···+x/9900 X/2+x/6+X/12+.+x/9900＞99 1.2克某二价金属的硫酸盐中,含有0.01摩尔SO4负2,则该硫酸盐的摩尔质量为